Unrated severityNVD Advisory· Published Oct 11, 2002· Updated Jun 16, 2026
CVE-2002-0839
CVE-2002-0839
Description
The shared memory scoreboard in the HTTP daemon for Apache 1.3.x before 1.3.27 allows any user running as the Apache UID to send a SIGUSR1 signal to any process as root, resulting in a denial of service (process kill) or possibly other behaviors that would not normally be allowed, by modifying the parent[].pid and parent[].last_rtime segments in the scoreboard.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*range: >=1.3.0,<1.3.27
- (no CPE)range: < 1.3.27
Patches
Vulnerability mechanics
References
23- archives.neohapsis.com/archives/vulnwatch/2002-q4/0012.htmlnvdBroken LinkPatchVendor Advisory
- distro.conectiva.com.br/atualizacoes/nvdThird Party Advisory
- marc.infonvdMailing ListThird Party Advisory
- marc.infonvdIssue TrackingMailing ListThird Party Advisory
- marc.infonvdIssue TrackingMailing ListThird Party Advisory
- online.securityfocus.com/advisories/4617nvdThird Party AdvisoryVDB Entry
- www.apacheweek.com/issues/02-10-04nvdRelease NotesVendor Advisory
- www.debian.org/security/2002/dsa-187nvdThird Party Advisory
- www.debian.org/security/2002/dsa-188nvdThird Party Advisory
- www.debian.org/security/2002/dsa-195nvdThird Party Advisory
- www.iss.net/security_center/static/10280.phpnvdBroken LinkVendor Advisory
- www.securityfocus.com/bid/5884nvdThird Party AdvisoryVDB Entry
- patches.sgi.com/support/free/security/advisories/20021105-01-InvdBroken Link
- archives.neohapsis.com/archives/bugtraq/2002-10/0195.htmlnvdBroken Link
- archives.neohapsis.com/archives/bugtraq/2002-10/0254.htmlnvdBroken Link
- www.linux-mandrake.com/en/security/2002/MDKSA-2002-068.phpnvdBroken Link
- www.linuxsecurity.com/advisories/other_advisory-2414.htmlnvdBroken Link
- lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r8c9983f1172a3415f915ddb7e14de632d2d0c326eb1285755a024165%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Envd
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